| 摘要 |
When a channel adapter (CHA) is replaced, the storage control device of the present invention deletes the security information held in the channel adapter to improve security. The CHA conducts encrypted communications with the host. Security information (encryption keys and the like) employed in encrypted communications is stored in the port memory of each communications port. When replacement of the CHA is designated, the processor causes the security information stored in the port memory to be saved to shared memory, and deletes the security information in the port memory. When a new CHA is installed, the security information stored in the shared memory is transferred to the port memory.
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